4900002277 J22 TDLAS Gas Analyzer
94 SpectraSensors, Inc.
Displaying the I/O configuration
The I/O configuration submenu guides the user systematically through all the
parameters in which the configuration of the I/O modules is displayed.
Navigation
"Setup" menu → I/O configuration
Parameter Description User Entry Factory Setting
Bus address Enter device address. 1 to 247 247
Baudrate Define data transfer speed. • 1200 BAUD
• 2400 BAUD
• 4800 BAUD
• 9600 BAUD
• 19200 BAUD
• 38400 BAUD
• 57600 BAUD
• 115200 BAUD
19200 BAUD
Data transfer mode Select data transfer mode. • ASCII
•RTU
RTU
Parity Select parity bits. Picklist ASCII option:
• 0 = Even option
• 1 = Odd option
Picklist RTU option:
• 0 = Even option
• 1 = Odd option
• 2 = None / 1 stop bit
option
• 3 = None / 2 stop bits
option
Even
Byte order Select byte transmission sequence. • 0-1-2-3
• 3-2-1-0
• 1-0-3-2
• 2-3-0-1
1-0-3-2
Failure mode Select measured value output
behavior when a diagnostic mes-
sage occurs via Modbus communi-
cation.
NaN
1)
1) Not a Number
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